US1532401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gelatinizing machine for battery electrolytes
Assignee: French Battery & Carbon Co
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Filing: 1921-10-10
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Granted: 1925-04-07
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Expires: 1941-10-10
Abstract
No abstract record available.
Inventors
- 👤 Graves John
- 👤 Balderston William
- 👤 Edgar J Mceachron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:13
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/22; Y; Y10; Y10S; Y10S198/00; Y10S198/952; Y10T; Y10T29/00; Y10T29/53; Y10T29/5313; Y10T29/53135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1928-04-06 | 1928-10-06 | 1929-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-04-06 | 1932-10-06 | 1933-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-04-06 | 1936-10-06 | 1937-04-07 | $7700.00 | Window Closed / Lapsed |